NED Abstract

Copyright by American Astronomical Society.
Reproduced by permission
2014AJ....147..118R
Absolute-magnitude Distributions of Supernovae
Richardson, Dean; Jenkins, Robert L., III; Wright, John; Maddox, Larry
Abstract. The absolute-magnitude distributions of seven supernova (SN)
types are presented. The data used here were primarily taken from the
Asiago Supernova Catalogue, but were supplemented with additional data. We
accounted for both foreground and host-galaxy extinction. A bootstrap
method is used to correct the samples for Malmquist bias. Separately, we
generate volume-limited samples, restricted to events within 100 Mpc. We
find that the superluminous events (M_B_ < --21) make up only about 0.1%
of all SNe in the bias-corrected sample. The subluminous events (M_B_ >
--15) make up about 3%. The normal Ia distribution was the brightest with
a mean absolute blue magnitude of --19.25. The IIP distribution was the
dimmest at --16.75.
Key words: supernovae: general